208206080

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 529804800

約数和(自身を除く): 321598720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 71, 79, 80, 116, 128, 142, 145, 158, 160, 232, 256, 284, 290, 316, 320, 355, 395, 464, 568, 580, 632, 640, 710, 790, 928, 1136, 1160, 1264, 1280, 1420, 1580, 1856, 2059, 2272, 2291, 2320, 2528, 2840, 3160, 3712, 4118, 4544, 4582, 4640, 5056, 5609, 5680, 6320, 7424, 8236, 9088, 9164, 9280, 10112, 10295, 11218, 11360, 11455, 12640, 16472, 18176, 18328, 18560, 20224, 20590, 22436, 22720, 22910, 25280, 28045, 32944, 36656, 37120, 41180, 44872, 45440, 45820, 50560, 56090, 65888, 73312, 82360, 89744, 90880, 91640, 101120, 112180, 131776, 146624, 162661, 164720, 179488, 183280, 224360, 263552, 293248, 325322, 329440, 358976, 366560, 448720, 527104, 586496, 650644, 658880, 717952, 733120, 813305, 897440, 1301288, 1317760, 1435904, 1466240, 1626610, 1794880, 2602576, 2635520, 2932480, 3253220, 3589760, 5205152, 6506440, 7179520, 10410304, 13012880, 20820608, 26025760, 41641216, 52051520, 104103040, 208206080]

約数ペア:

[(1, 208206080), (2, 104103040), (4, 52051520), (5, 41641216), (8, 26025760), (10, 20820608), (16, 13012880), (20, 10410304), (29, 7179520), (32, 6506440), (40, 5205152), (58, 3589760), (64, 3253220), (71, 2932480), (79, 2635520), (80, 2602576), (116, 1794880), (128, 1626610), (142, 1466240), (145, 1435904), (158, 1317760), (160, 1301288), (232, 897440), (256, 813305), (284, 733120), (290, 717952), (316, 658880), (320, 650644), (355, 586496), (395, 527104), (464, 448720), (568, 366560), (580, 358976), (632, 329440), (640, 325322), (710, 293248), (790, 263552), (928, 224360), (1136, 183280), (1160, 179488), (1264, 164720), (1280, 162661), (1420, 146624), (1580, 131776), (1856, 112180), (2059, 101120), (2272, 91640), (2291, 90880), (2320, 89744), (2528, 82360), (2840, 73312), (3160, 65888), (3712, 56090), (4118, 50560), (4544, 45820), (4582, 45440), (4640, 44872), (5056, 41180), (5609, 37120), (5680, 36656), (6320, 32944), (7424, 28045), (8236, 25280), (9088, 22910), (9164, 22720), (9280, 22436), (10112, 20590), (10295, 20224), (11218, 18560), (11360, 18328), (11455, 18176), (12640, 16472)]